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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Firman W03386
- AIVOLT VS12000411
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Firman W03386 | AIVOLT VS12000411 |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | 3300 W | Winner: Winner: 9000 W |
| Starting watts | 3650 W | Winner: Winner: 11250 W |
| Noise (lower limit) | Winner: Winner: 58 dB | 60 dB |
| Weight | Winner: Winner: 91 lbs | 220 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 9 h | Winner: Winner: 19 h |
| Fuel tank | 1.8 gal | Not available |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 23.2 x 17.8 x 17.9 | 28.43L x 26.38W x 29.65H |
| Electrical | ||
| Voltage (AC) | 120 | 120V/240V |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | <3% % | 3 % |
| Engine | ||
| Engine | 193 cc OHV 4-stroke, cast iron sleeve. | 459cc 4-strokes OHV air-cooled |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Not available |
| Warranty | ||
| Warranty | 3 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3300 W | 9000 W |
| Starting watts | 3650 W | 11250 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 9 h | 19 h |
| Propane | Not available | Not available |
| Running watts | Not available | 8450 W |
| Starting watts | Not available | 10570 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | Approved by the EPA and CARB |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 840876133866 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3300 | 9000 |
| Running Watts (Propane) | Not available | 8450 |
| Starting Watts (Gasoline) | 3650 | 11250 |
| Starting Watts (Propane) | Not available | 10570 |
| Runtime @ 25% Load (Gasoline) | 9 | 19 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 2 120V 20A 5-20R GFCI outlets, 1 120V 30A L5-30R, 1 120V/240V 30A L14-30R, 1 120V/240V 50A 14-50R |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4 Stroke |
| Engine Displacement | 193 | 459 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Not available | 100% copper |
| Engine Oil Type | See 'Add Engine Oil' Section | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 9 | 19 |
| Outlets & connections | ||
| Transfer Switch Compatibility | Not available | Yes |
| Controls & display | ||
| Display Type | Not available | LED display |
| Idle Control System | Not available | Eco switch |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Built-in overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Fuel Connection Components | Not available | LPG hose with regulator |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery | Remote controller, battery charger, oil funnel, tool kits |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Firman W03386 is a 3,300-watt inverter generator built for RV camping, emergency backup, and light job site work. Its 3,650-watt peak capacity handles startup surges from air conditioning units, refrigerators, and power tools without strain. Because the unit runs on gasoline with a 1.8-gallon tank, users get up to 9 hours of runtime at 25% load before refueling. The inverter topology and sub-3% THD output means laptops, smartphones, and sensitive electronics charge safely without voltage spikes that damage circuitry. At 58 dB, it operates at conversational volume, making it acceptable for residential neighborhoods and campgrounds where noise restrictions apply. This is a mid-sized workhorse for users who need portable power without the weight penalty of larger stationary units. | The AIVOLT VS12000411 is a dual-fuel generator with a rated wattage of 9000 and a peak wattage of 11250. It features a 459cc 4-stroke OHV engine and includes electric and remote start options. |
- Most PowerfulAIVOLT VS120004119000W running
- QuietestFirman W0338658 dB
- Longest Runtimeh at 50% load
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Firman W03386
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AIVOLT VS12000411
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